KILLIAN WATER SYSTEM
Missouri — Community Water System — PWSID: LA1063030
System Information
| PWSID | LA1063030 |
| System Name | KILLIAN WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 6, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131 |
| Address | CSWR MAGNOLIA |
| Organization | COX, JOSIAH |
| Phone | 314-736-4672 |
Population & Service
| Population Served | 999 |
| Service Connections | 333 |
Drinking Water Violations (40)
This water system has 40 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Mar 13, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Mar 13, 2025 | — | |
| Jun 8, 2024 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jan 9, 2024 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Jan 9, 2024 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Jan 9, 2024 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Jan 9, 2024 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Oct 28, 2023 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Oct 28, 2023 | — | |
| Mar 25, 2022 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Oct 30, 2021 | — | Other | No | No | — | — | — | Resolved | May 19, 2022 | — | |
| Oct 30, 2021 | — | Other | No | No | — | — | — | Resolved | May 19, 2022 | — | |
| Aug 27, 2021 | — | TT | Yes | No | — | — | — | Resolved | May 2, 2024 | — | |
| Aug 27, 2021 | — | TT | Yes | No | — | — | — | Resolved | May 2, 2024 | — | |
| Aug 27, 2021 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Aug 27, 2021 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Aug 27, 2021 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Aug 27, 2021 | — | TT | Yes | No | — | — | — | Resolved | May 2, 2024 | — | |
| Aug 27, 2021 | — | TT | Yes | No | — | — | — | Resolved | May 2, 2024 | — | |
| Jan 26, 2019 | — | MR | No | No | — | TT | — | Resolved | Mar 12, 2019 | — | |
| Jan 26, 2019 | — | MR | No | No | — | TT | — | Resolved | Mar 12, 2019 | — | |
| Feb 3, 2013 | — | TT | Yes | No | — | — | — | Resolved | May 28, 2014 | — | |
| Feb 3, 2013 | — | TT | Yes | No | — | — | — | Resolved | May 28, 2014 | — | |
| Feb 3, 2013 | — | TT | Yes | No | — | — | — | Resolved | May 28, 2014 | — | |
| Sep 1, 2007 | Sep 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2007 | — | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2007 | — | |
| Jul 1, 2001 | Jun 20, 2003 | Other | No | Yes | — | — | — | Resolved | Jun 20, 2003 | — | |
| Jul 1, 2001 | Jun 20, 2003 | Other | No | Yes | — | — | — | Resolved | Jun 20, 2003 | — | |
| Jul 1, 2000 | — | Other | No | No | — | — | — | Resolved | Jul 5, 2005 | — | |
| Jul 1, 2000 | — | Other | No | No | — | — | — | Resolved | Jul 5, 2005 | — | |
| Oct 19, 1999 | Feb 7, 2001 | Other | No | Yes | — | — | — | Resolved | Feb 7, 2001 | — | |
| Oct 19, 1999 | Feb 7, 2001 | Other | No | Yes | — | — | — | Resolved | Feb 7, 2001 | — | |
| Oct 19, 1999 | Feb 7, 2001 | Other | No | Yes | — | — | — | Resolved | Feb 7, 2001 | — | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1997 | — | |
| Jan 1, 1994 | Jun 30, 1995 | MR | No | No | — | TT | — | Resolved | Jun 30, 1995 | — | |
| Jul 1, 1993 | Dec 31, 1994 | MR | No | No | — | TT | — | Resolved | Dec 31, 1994 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.